198323

Cesium fluoride

99%

• Synonyme(s) : NSC 84270
• Formule empirique (notation de Hill): CsF
• Numéro CAS: 13400-13-0
• Poids moléculaire : 151.90
• Numéro CE : 236-487-3
• Numéro MDL: MFCD00010960
• Code UNSPSC : 12352302
• ID de substance PubChem : 24851873
• Nomenclature NACRES : NA.22

Propriétés

• Niveau de qualité: 100
• Pureté: 99%
• Forme: liquid
• Pf: 682 °C (lit.)
• Densité: 4.115 g/mL at 25 °C (lit.)
• Chaîne SMILES: [F-].[Cs+]
• InChI: 1S/Cs.FH/h;1H/q+1;/p-1
• Clé InChI: XJHCXCQVJFPJIK-UHFFFAOYSA-M

Description

Description générale

Cesium fluoride is an inorganic compound known to be a source of fluoride ion and a catalyst in organic synthesis. It has been used in many organic reactions like 1,4−elimination, desilylation, transesterification, acylation, nucleophilic aromatic substitution, etherification, cross−coupling reactions and so on.

Application

Cesium fluoride can be used as:

• A base in the Suzuki cross-coupling synthesis of ortho-substituted biaryls.
• A reagent for the nucleophilic fluorination of primary halides and sulfonates in protic media such as tert-butyl and tert-pentyl alcohols.

Reactant for:

• Preparation of building blocks for synthesis of fluoroallylic compounds
• Synthesis of alcohols via hydrolysis of alkyl silyl ethers at neutral pH in buffered mixed organic-aqueous solutions
• Nucleophilic fluorination of alkynyliodonium salts to form fluorovinylic compounds
• Nucleophilic aromatic substitution (SNAr) reactions

Used in the successful synthesis of a single-crystal Dion-Jacobson phase, CsLaTa₂O₇, that has applications in photocatalysis and superconductivity.

Informations sur la sécurité

• Pictogrammes: GHS08,GHS05,GHS07
• Mention d'avertissement: Danger
• Mentions de danger: H302,H318,H361d,H373,H412
• Conseils de prudence: P202 - P273 - P280 - P301 + P312 - P305 + P351 + P338 - P308 + P313
• Classification des risques: Acute Tox. 4 Oral - Aquatic Chronic 3 - Eye Dam. 1 - Repr. 2 - STOT RE 2
• Organes cibles: Kidney,Adrenal gland
• Risques supp: EUH032
• Code de la classe de stockage: 13 - Non Combustible Solids
• Classe de danger pour l'eau (WGK): WGK 2
• Point d'éclair (°F): Not applicable
• Point d'éclair (°C): Not applicable
• Équipement de protection individuelle: Eyeshields, Faceshields, Gloves, type P3 (EN 143) respirator cartridges